You can download Android Apps in the following places: Get Jar, Amazon App Store, Mobogenie, F-Droid, SlaideME, Uptodown, Aptoide, and APKUpdater.

The way you download apps not available in your country, is to open the VPN app and select the country where the app is available, then go to settings, apps, Google Play Storea and tap Storage. When this is done got to Google Search and search for the particular app that you decide you want and tap the Play Store link that you receive in the search results. This link will then open up in the Play Store for you to go to.